20183440910 has 16 divisors (see below), whose sum is σ = 38467264176. Its totient is φ = 7598471808.

The previous prime is 20183440841. The next prime is 20183440913. The reversal of 20183440910 is 1904438102.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20183440913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59362892 + ... + 59363231.

It is an arithmetic number, because the mean of its divisors is an integer number (2404204011).

Almost surely, 2^20183440910 is an apocalyptic number.

20183440910 is a deficient number, since it is larger than the sum of its proper divisors (18283823266).

20183440910 is a wasteful number, since it uses less digits than its factorization.

20183440910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118726147.

The product of its (nonzero) digits is 6912, while the sum is 32.

The spelling of 20183440910 in words is "twenty billion, one hundred eighty-three million, four hundred forty thousand, nine hundred ten".